Sunday, May 27, 2007

  • BENZALDEHYDE (benzole aldehyde), C6H5CHO, a colourless liquid with an odor of a bitter almond, têèï 179 °C. Odorous substance in perfumery and a food-processing industry; raw material in manufacture of dyes and odorous substances.
  • BENZALCOHOL, C6H5CH2OH, a colourless liquid with a pleasant odor, têèï 205 °C; it is contained in a free state and by the way esters in essential oils and natural balms. Odorous substance in perfumery, raw material in manufacture of odorous substances, the solvent.
  • BENZILHLORID, C6H5CH2Cl, a colourless liquid with a sharp irritant odor, têèï 179,3 °C. Apply primarily to obtaining benzalcohol, ethers of a benzoic acid, and also dyes.
  • PETROL (frants. benzine), a mix of light hydrocarbon with têèï 30-205 °C; a diaphanous liquid, firmness of 0,70-0,78 g / sm3. Receive primarily distillation or cracking of petroleum. Fuel for carburettor avto-both aircraft engines; extragent and the solvent for fats, pitches, rubbers. See also Synthetic liquid fuel.
  • BENZOILPEROKSID, (C6H5COO) 2, colourless crystals, tïë 106-108 °S (with decomposition). The initiator of a free-radical polymerization in manufacture of polymers, hardener of the polyester resinss, the curing agent, a whitener of fats, oils. Vzryvchat.
  • BENZOILHLORID, C6H5COCL, a colourless liquid fuming on air, têèï 197,2 °C. Pairs{vapours;couples} benzoilhlorida invoke{produce} a lacrimation. Apply in manufacture benzoilperoksida, indigoide dyes, pharmaceuticals.
  • BENZOIC ACID, C6H5COOH, colourless crystals, tïë 122,4 °C. Apply in manufacture of dyes, medicinal and odorous substances, in medicine as an outside means of antimicrobic and antifungal action; Sodium benzoatum - an expectorant, conserving agent of foodstuffs.
  • BENZOLE ALDEHYDE, the same, that benzaldehyde.
  • BENZOLE, colourless liquid, têèï 80,1 °C. It will be derivated at a coal carbonization and at a chemical processing (napr., reforming) oil fractions. Apply to obtaining aniline, a phenol, styrol, caprolactam, blasting explosives, insecticides and a lot of other; use as the solvent, napr. Fats.
  • BENZOPIREN (benzpiren), light yellow crystals, tïë 180 °S. It is contained in coal tar, a tobacco smoke, air of conurbations, soil. It will be derivated at pyrolysis of acetylene, styrol, tetralin. Kantserogenen.
  • QUINONE, golden yellow crystals; tïë 116 °C. Raw material in manufacture of a hydroquinone, dyes; an oxidant and hardening substance.
  • BENI (Beni), the river in Bolivia, in system of Amazon. Ok. 1500 kms, the area of basin of 266 thousand êì2. Average discharge of water 6200 m3 / with. It is navigable from. Rurrenabake up to cataracts Esperansa.
  • The BENELUX COUNTRIES, the economic union of Belgium, Netherlands and Luxembourg. The agreement for the union is signed in 1958, the beginnings to act in 1960. A residence of authorities - Brussels.
  • BENIN, the state existing in an austral part of Nigeria. Bloom in 13-17 centuries. In steering alongside with tsar the important role was played by the largest dignitaries. The considerable development was reached{achieved} with servitude. To kon. 19 century the terrain of Benin is seized by the English colonialists and Nigeria is included hereinafter in colony.
  • BENIN-CITY (Benin City), city in Nigeria, an administrative centre pieces. Bendel. 203 thousand inhabitants (1991). The wood-working and chemical enterprises. Art handcrafts (a wood carving, an ivory). University. Bliz Benin City - a crude production. A unique collection of a bronze sculpture of 15-17 centuries.
  • BENI - SUEJF, city and port in Egypt, on r. Nile, an administrative centre muhafazy Beni Suef. 174 thousand inhabitants (1991). Textile, a flavoring industry.
  • BENI - HASAN, settlement in Compare. Egypt, bliz which ok. 30 rocky tombs of aboriginal governors (21-20 centuries up to n. e.) with porticoes; inside - paintings and reliefs.
  • BENKA (Benka) Martin (1888-1971), the Slovak painter. One of ancestors of Slovak art of 20 century. The monumental poetic scenes of country life plump in loose postimpressionisticheskoj to a manner.
  • No comments: